Chapter 2-Book Flashcards
What is the most common benign tumor of the liver?
Cavernous Hemangioma
T/F
Cavernous Hemangioma’s consist of of blood filled channels.
True
What is the typical appearance of a hemangioma?
small, well defined hyperechoic round mass with enhancement.
Hemangiomas are more common in females.
T/F
True
The larger hemangiomas can have what kind of appearance?
it may be variable depending on the amount of fibrosis and degeneration
What is the 2nd most common benign liver mass after hemangioma?
Focal Nodular Hyperplasia
hyperplastic area of normal liver cells that are associated with a congenital vascular malformation
focal nodular hyperplasia
What is the distinguishing feature of a FNH?
central scar.
What is the typical age and location of FNH
childbearing age.
right lobe
What does FNH look like sonographically?
- it is composed of liver cells and is isoechoic to liver parenchyma.
- There will be prominent vascularity in the central car
Why is hepatocellular adenoma more worrisome than most lesions?
They are susceptible to hemorrhage and transform into a hepatocellular carcinoma.
Oral birth control and type 1 glycogen storage disease both have an established relationship with hepatocellular adenoma?
T/F
True
Why is it that hepatocellular adenomas can regress after stopping oral contraceptives?
because there is is a greater incidence of hepatocellular adenomas being associated with the use of birth control.
Lipomas are composed of fat cells
T/F
true
What is the most common primary malignant neoplasm of the liver?
Hepatocellular carcinoma
